4582-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4582-49-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,8 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4582-49:
(6*4)+(5*5)+(4*8)+(3*2)+(2*4)+(1*9)=104
104 % 10 = 4
So 4582-49-4 is a valid CAS Registry Number.